diff -u munin-1.4.5/debian/changelog munin-1.4.5/debian/changelog
--- munin-1.4.5/debian/changelog
+++ munin-1.4.5/debian/changelog
@@ -1,3 +1,9 @@
+munin (1.4.5-3ubuntu4.1) precise; urgency=low
+
+  * use nfreeze() since it gets stored in a file (LP: #872217)
+
+ -- Vibhav Pant <vibhavp@gmail.com>  Fri, 23 Mar 2012 08:36:18 +0530
+
 munin (1.4.5-3ubuntu4) natty; urgency=low
 
   * debian/patches/upstream_bug_1009.patch: Backport
only in patch2:
unchanged:
--- munin-1.4.5.orig/plugins/node.d.linux/diskstats.in
+++ munin-1.4.5/plugins/node.d.linux/diskstats.in
@@ -12,7 +12,7 @@
 use POSIX;
 use Munin::Plugin;
 use MIME::Base64;
-use Storable qw(freeze thaw);
+use Storable qw(nfreeze thaw);
 
 # Hardcoded pollinterval of 300 seconds
 my $poll_interval = 300;
@@ -137,7 +137,7 @@
     }
 
     # FIXME: There ought to be a better way to do this.
-    $states{$cur_time} = encode_base64 freeze \%cur_diskstats;
+    $states{$cur_time} = encode_base64 nfreeze \%cur_diskstats;
 
     save_state(%states);
     return;